Flames heavily damaged the roof of the main building at a sawmill on Kendrick Road Tuesday night.
Sherman Fire Chief Ruston Weise said flames were coming from the roof of the Bissell and Babcock Millworks when firefighters arrived just before 9 o'clock.
He said it is believed the fire started in an overhead furnace unit. He noted the sawmill portion of the business was not involved. Weise reported no injuries, and firefighters were at the scene about two hours.